Buckle



May 29, 1923. 1,457,032

E. JOHNSON ET AL BUCKLE Filed Nov. 12, 1920 22217 LxfOkf/SD)? 010/ Lama $7622? jg ze/zww Patented May 29, 1923. v

Wires STATES PATENT" othe EMIL L. JOHNSON AND OLOF LUNDSTEN, or A'rTLEBoRo, .lvrns'saorrnsn rrs, l

BUCKLE.

7 Application filed November 12, 1920. Serial No. 4 .23,558.

To all whiovnfc't mag "concern."

Be'it known' that W6,"E1IIL L. JOHNSON and ULor LUNns'rnN, citizens of the United States, residing at Attleboro,in the county of'Bristol and State of Massachusetts, have invented certain" new and useful Improvements in Buckles, of which the "following is a specification.

This invention relates to buckles for bolding a beltin .adjusted position about the body of the wearer, and the object of this invention is to provide an improved buckle of this character wherein. the clamping member is formed complete from a single plate of sheet metal, and is provided with a cam-shaped gripping portion formed by rolling. inward one edge of this plate, the same being also provided with pivot lugs which are pivotally mounted in ears in the side walls of the buckle body.

The invention further consists in the folding of the metalof which the pivot ears are constructed so as to form doubly thick bearings in which the clamping member is mounted. I

The nature and advantages of the invention will be better understood when the following detail description is taken in connection with the accompanying drawings, the invention residing in the combination and arrangement of parts as claimed.

In the drawings forming part of this specification, like numerals of reference indicate similar parts in the several views and wherein Figure 1 is a sectional side elevation of our improved buckle, showing our improved form of clamping member as binding a belt end against the inner surface of the buckle body.

Figure 2 is an end elevation sectioned on line 2-2 of Figure 1 through the buckle body and jointed ears, and showing the clamping member pivotally mounted therein.

Figure 3 is the same as Figure 2 but with the clamping member removed, illustrating the inwardly folded portions of the pivot ears as forming doubly thick pivot bearings.

Figure 4: is a perspective view of the cam shaped clamping member. v

Figure 5 is a perspective view of the inner side of the buckle body.

With reference to the drawings 10 designates the buckle body which-ispre'ferably' formed of sheet metal and provided ateach edge with inwardly turned side' walls '11'.

At one end of thebucklebody we have formed integral pivot cars 12 each of which is preferably formed with an integral 1 ex tension portion 13 on its outer edge, which is folded inwardly to provide pivot ear walls of a doublethickness'. 'These-'inward' ly folded portions are pierced as atlt and" the outer-Wallis preferably forced or swaged outwardly as at 15 providing a recess to receive and cover'the end of the clamp pivot. is greatly stiffened and atthe same time it also effectually prevents the clamping member from being disengaged from its pivot eyes even when subjected to the most severe strains. Then again by not piercing the outer wall of the pivot ear when gold plated stock is used only the plated portion is exposed as it serves to cover the bearing portion as 'well as the base metal pivot ends of the.

clamping member.

Another feature of this invention is the unique and practical construction of the clamping lever 16 which is preferably.

By this construction the can under or beneath the main body thereof as at 19, see Figure 4, the stock of the lever being of such thickness so that when so rolled or curled it is sufiioiently 'stifi' to grip and bind a belt against the inner body of the buckle and effectually prevent the same from slipping.

On the edges of this clamping plate are formed integral pivoting lugs 20 which when mounted in the eyes 14: of the pivot ears cause the rolled portion of the clamping plate to have a cam action whereby the pull or strain of the belt end 18 on the clamp lever 17 causes the inner edge 21 of this cam to grip the opposite end 22 of the belt and bind the same against the inner surface of the body portion of the buckle.-

' By this construction it will be seen that the buckle is constructed of but two parts that is the body and the clamping member,

the joint ears of the body being reinforced by folding the stock inwardly while the clamping, member is formed strongand rigid and of one piece, providing a camshaped clamp bar by simply rolling inwardly one edge thereof. g

In some instances it is found desirable to form the body portion of the buckle crowning, and in order tocause the clamping member to grip the belt properly against the concaved inner face thereof the cam or gripping port-ion of this clamp member is also formed correspondingly oval or rounding throughout its length so as tofit the crowningportion of the buckle body and bind the belt securely therein.

The buckle is extremely simple and practical in construction and effective in its operation.

The foregoing description is directed sole- 1 towards the construction illustrated, but we desire it tobe understood that we reserve the privilege of resorting to all the mechanical changes to which the device is susceptible, the invention being defined and limited only by the terms of the appended claim.

We claim:

A buckle comprising in combination a clamping member formed of a sheet-metal plate with one edge rolled under into tubular form providing an integral clamping edge, said plate being provided with integral laterally-extending pivot lugs and a body member having portions of its side walls folded inwardly forming stock of a thick ness' double that of the body and said lugs bearing in both the inward fold and alsothe body member providing a pivotal mounting in said double side walls.

In testimony whereof We aflix our signatures.

EMIL L. JOHNSON. OLOF LUNDSTEN. 

